How to Back Up a SIM Card on an iPhone
- 1). Connect your iPhone to your computer using the USB cable included with the iPhone. Open iTunes and click your iPhone in the left-hand column of the window.
- 2). Click the "Info" tab at the top of the application window. Check the box of each the data components (such as address book or calendar) you want to back up.
- 3). Click "Apply" in the application menu's lower-right corner. The iPhone data you checked in Step 2 will be backed up and synced with your computer.
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